221010120240011 has 2 divisors, whose sum is σ = 221010120240012. Its totient is φ = 221010120240010.

The previous prime is 221010120239981. The next prime is 221010120240031. The reversal of 221010120240011 is 110042021010122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221010120240011 is a prime.

It is not a weakly prime, because it can be changed into another prime (221010120240031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110505060120005 + 110505060120006.

It is an arithmetic number, because the mean of its divisors is an integer number (110505060120006).

Almost surely, 2^{221010120240011} is an apocalyptic number.

221010120240011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221010120240011 is an equidigital number, since it uses as much as digits as its factorization.

221010120240011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221010120240011 its reverse (110042021010122), we get a palindrome (331052141250133).

The spelling of 221010120240011 in words is "two hundred twenty-one trillion, ten billion, one hundred twenty million, two hundred forty thousand, eleven".